Blast From the Past: Arizona’s Meteor Crater The “young” and well-preserved crater helps scientists understand cratering processes on Earth and elsewhere in the solar system. Published Jul 4, 2025 ...

Dating back to A.D. 870, intermittent records assembled by the Vikings record the number of weeks per year that ice occurred along the north coast of Iceland. Other, scattered records of Arctic sea ...

In 2011, scientists from North Carolina, France, and Peru saw that deforestation in a portion of the Amazon rainforest was proceeding at an unusual pace in an unexpected place. Images from the Landsat ...

Recognizing that different people and businesses treat their lawns differently, she had a computer simulate the effect on the water cycle and carbon cycle of different lawn management techniques. The ...

Dirty snow usually melts faster than fresh snow because it absorbs more energy from the Sun, and that’s not just a problem in sooty, gritty cities. Except for some mountains and high plateaus, snow ...

The average global temperature has increased by a little more than 1° Celsius (2° Fahrenheit) since 1880. Two-thirds of the warming has occurred since 1975.

Among the mysteries of the South American Monsoon, explains Fu, is how the first thunderstorms of the wet season get started. A monsoon is an atmospheric see-saw in which the large-scale circulation ...

Updated Oct 19, 2019 World of Change: Antarctic Ozone Hole In the early 1980s, scientists began to realize that CFCs were creating a thin spot—a hole—in the ozone layer over Antarctica every spring.

“There’s a debate about how cities affect rainfall,” Shepherd answers. “There are several hypotheses about what is going on, but they primarily involve the urban land use and urban aerosols.” The ...

Glaciers: Ice on the Move November 2018 EO Kids is looking at glaciers from space. Imagery and data are showing that many glaciers are shrinking. In the issue, you will discover more about these cool ...

The flow-through system onboard the R/V Falkor allows us for continuous sampling of the surface water for physical, chemical and biological properties, including phytoplankton composition with Imaging ...

Observing the Water Cycle Orbiting satellites are now collecting data relevant to all aspects of the hydrologic cycle, including evaporation, transpiration, condensation, precipitation, and runoff.